Guidance for the Production of MEDIN Metadata
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Title Guidance notes for the production of discovery metadata for the Marine Environmental Data and Information Network (MEDIN) MEDIN Discipline Discovery Metadata Author(s) Becky Seeley (DASSH), James Rapaport, (SeaZone), Olivia Merritt (SeaZone), Mark Charlesworth (BODC), Sean Gaffney (BODC). Document Owner Marine Environmental Data Information Network (MEDIN) Standards Working Group Licence This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA. Reviewed by MEDIN Standards Working Group Date reviewed 18 May 2020 Version 3.1 Date approved and 08 July 2020 published on MEDIN website Date last checked for 08 July 2020 accuracy Summary The discovery metadata standard for resources submitted to the Marine Environmental Data Information Network. Keywords Discovery Metadata Metadata standards are evolving at an international level and these guidelines are therefore subject to change. It is recommended that you use a download of this document from the Marine Environmental Data and Information Network (MEDIN) website (www.medin.org.uk) rather than storing a local copy. A log of changes will be available on the website. 1 Change History Version Author Date of last Status revision Interim Draft BS 2008-12-20 Draft for comment 1.0 Interim Draft BS 2009-31-01 Draft for comment 1.1 Interim Draft BS 2009-22-02 Final Draft 1.2 Interim Version BS 2009-03-19 First interim release 2.0 Interim Version MC 2009-03-27 Minor edits to test 2.1 Interim Version BS 2009-03-31 Mapped to 19115 2.2 Interim Version BS 2009-05-07 Updated WRT INSPIRE and GEMINI 2 2.3 Public OM & JR 2009-05-20 SeaZone Review Standard 2.3.1 Public MC 2009-10-01 Updated to reflect changes in GEMINI 2. Standard 2.3.2 Public MC 2010-01-27 Some small tweaks following discussions Standard 2.3.3 to 2010-03-11 within MEDIN and GEMINI 2 and extra guidance on spatial resolution and URIs and a refresh of xml examples Public MC/JR 17-11-2010 Some minor tweaks following changes to Standard 2.3.4 GEMINI 2.1 standard. New Element ‘Parent ID’ and explanation of file identifier added. Some cosmetic changes. Details of changes available on request. Public MC/JR 11-04-2011 Minor presentational changes to Standard 2.3.5 document. Changes to the way controlled vocabularies are encoded (see page 4) and the way end date is encoded if the resource is ongoing. Inclusion of sub element ‘Online resource function code’ and clarification of responsible party roles. Public MC 06-10-2011 Minor changes to follow changes in Standard 2.3.6 GEMINI 2. Geographic bounding box and temporal extant made multiple; date of publication made conditional to follow GEMINI 2. Public MC 14-04-2012 Minor changes: Clarification of encoding Standard 2.3.7 when resource end date is ongoing and of the N010 keyword. Some typos corrected. 2 Public CP 14-03-2013 Minor changes to the Guidance Notes. e.g. Standard 2.3.7 correcting typos, updating web addresses. No Changes to the standard. Public CP 29-10-2013 Minor changes to follow changes in Standard 2.3.8 GEMINI 2.2: Multiple occurrences of Unique Resource Identifier allowed, multiple occurrences of spatial reference system allowed. Some changes to Temporal extent to match GEMINI 2.2. Distributor made mandatory to match INSPIRE and GEMINI 2.2. Inserted sub element Equivalent scale to match INSPIRE guidance (NB difference between INSPIRE and GEMINI 2.2 in obligation of this element). Also updated links to NERC vocabulary server to reflect a change to NVS2.0. Public SG 08-03-2019 Update of MEDIN Discovery Standard to Standard 3.0 account for change from GEMINI 2.2 to GEMINI 2.3. See separate document ‘MEDIN_Discovery_Metadata_Standard_2 _3_8_to_3_0_Mar2019.pdf’ for details of changes. Public SG 08-07-2020 Clarifications on encoding and use of Standard 3.1 many metadata elements from AGI GEMINI Working Group. See separate document ‘MEDIN_Discovery_Metadata_Standard_3 _0_to_3_1_July2020.pdf’ for details of changes 3 MEDIN Elements 1. Introduction .................................................................................................. 7 2. Data Discoverability ..................................................................................... 7 2.1 Date and time formatting ......................................................................... 8 3. Using this document .................................................................................... 8 4. Filling in an element ..................................................................................... 9 5. Elements for identifying a resource .......................................................... 12 Element 1 - Resource title (M) ................................................................................... 12 Element 2 - Alternative resource title (O) ................................................................... 13 Element 3 - Resource abstract (M) ............................................................................ 14 Element 4 - Resource type (M) .................................................................................. 16 Element 31 – Hierarchy level name (C) ..................................................................... 17 Element 5 - Resource locator (C) .............................................................................. 18 Sub Element 5.1 - Resource locator URL (C) .......................................................... 18 Sub Element 5.2 - Resource locator name (O) ........................................................ 18 Sub Element 5.3 - Resource function (O) ................................................................ 18 Sub Element 5.4 - Resource locator description (C) ................................................ 18 Element 6 - Unique resource identifier (C) ................................................................ 21 Sub Element 6.1 - Code (M) .................................................................................... 22 Sub Element 6.2 - Code Space (O) ......................................................................... 22 Element 7 - Coupled resource (C) ............................................................................. 24 Element 8 - Resource language (C) .......................................................................... 25 6. Elements classifying spatial data and services ....................................... 26 Element 9 - Topic category (C) .................................................................................. 26 Element 10- Spatial data service type (C) ................................................................. 27 Element 32 – Spatial representation type (C) ............................................................ 27 Element 11 - Keywords (M) ....................................................................................... 28 Sub Element 11.1 - Keyword value (M) ................................................................... 29 Sub Element 11.2 - Originating controlled vocabulary (M) ....................................... 30 Element 12 - Geographic bounding box (C) .............................................................. 36 Sub element 12.1 - West bounding longitude (M) .................................................... 36 Sub element 12.2 - East bounding longitude (M) ..................................................... 36 Sub element 12.3 - North bounding latitude (M) ...................................................... 36 Sub element 12.4 - South bounding latitude (M) ..................................................... 37 Element 13 - Extent (O) ............................................................................................. 38 Sub element 13.1 - Extent name (M) ....................................................................... 38 Sub element 13.2 - Originating controlled vocabulary (M) ....................................... 39 Element 14 - Vertical extent information (C) .............................................................. 43 Sub element 14.1 - Minimum Value (M) ................................................................... 43 Sub element 14.2 - Maximum Value (M) .................................................................. 43 Sub element 14.3 - Vertical coordinate reference system (M) ................................. 43 Element 15 - Spatial reference system (M) ................................................................ 45 Sub element 15.1 - Code (M) .................................................................................. 45 Sub element 15.2 - Originating controlled vocabulary (O) ....................................... 45 Element 16 - Temporal reference (M) ........................................................................ 47 Sub element 16.1 - Date of publication (M) ............................................................. 47 Sub element 16.2 - Date of last revision (C) ............................................................ 48 4 Sub element 16.3 - Date of creation (C) .................................................................. 48 Sub element 16.4 - Temporal extent (C) .................................................................. 48 7. Elements describing data quality .............................................................. 52 Element 17 - Lineage (C) .......................................................................................... 52 Element